Arthroscopic cannula



FIG. 1 is a top-front perspective view of an arthroscopic cannula showing my new design.

FIG. 2 is a rear perspective view thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a left side view thereof.

FIG. 6 is a right side view thereof.

FIG. 7 is a front view thereof; and,

FIG. 8 is a rear view thereof. 

CLAIM The ornamental design for an arthroscopic cannula, as shown and described. 